Cisco Certified Network Associate (CCNA) 200-301 — Question 1362

Refer to the exhibit. Which switch in this configuration will be elected as the root bridge? SW1: 0С:0А:05:22:05:97 - SW2: 0C:0A:A8:1A:3C:9D - SW3: 0С:0А:18:81:ВЗ:19 - SW4: 0С:4А:82:56:35:78